People.com Celebrity Parents Conor McGregor and Fiancée Dee Devlin Expecting Their Third Child: 'So Much to Look Forward to' Conor McGregor and Dee Devlin share two children together By Georgia Slater Georgia Slater Twitter Georgia Slater is a writer/reporter on the Parents team at PEOPLE. She began at the brand in 2018 as an editorial intern and later returned as an intern on the Food team. Upon graduating from the University of Maryland in 2019, Georgia worked as an entertainment intern at USA Today before coming back to PEOPLE as a digital news writer. In April 2021, she began her role as a Parents writer/reporter. People Editorial Guidelines Published on December 26, 2020 02:45 PM Share Tweet Pin Email Photo: Conor McGregor/Instagram Conor McGregor is now in training to be a father of three! On Christmas Day, the mixed martial arts fighter announced on Instagram that he and his fiancée Dee Devlin are expecting their third child together. The 32-year-old shared the exciting news by posting a photo of his family dressed in matching Christmas pajamas with their son Conor Jack Jr., 3, holding up an ultrasound image. McGregor also shares daughter Croia, who turns 2 next month, with Devlin. "Happy Christmas everyone, from my family to yours ❤️" McGregor captioned the photo. "So much to look forward to in 2021 👶." Devlin, also reposted the photo to her Instagram page, writing "Merry Christmas! ❤️." Never miss a story -- sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories Conor McGregor Is Engaged to Longtime Girlfriend Dee Devlin: 'My Future Wife' Many of McGregor's fellow MMA fighters congratulated the athlete in the comments of his post. "Congrats ma man!" wrote Chris Bungard while Kiefer Crosbie added, "Congrats brother!" Urijah Faber replied, "Aye! Another one! Congrats guys 🏆" The athlete's sister, Erin McGregor, also commented, "I’m so excited ❤️❤️ congratulations guys x love u." The baby news comes nearly five months after the former UFC champion announced his engagement to Devlin after more than a decade of dating. McGregor shared a sweet Instagram photo taken after he popped the question to his longtime love. Conor McGregor and Girlfriend Dee Welcome Second Child: '2019 Is Off to the Best Start' In the celebratory photo, McGregor wrapped his arms around his now-fiancée and showed off a big smile as Devlin flashed her sparkling engagement ring. "What a birthday, my future wife," McGregor captioned the sweet post, referring to Devlin's upcoming birthday that weekend. Many of McGregor's colleagues took to the comment section of the post to wish the couple the best, including Artem Lobov who wrote, "Congratulations to you and Dee!!!" while Holly Holm said, "Congratulations! Many blessings ❤️." The couple has been together since 2008. According to Page Six, Devlin grew up down the road from McGregor’s hometown in Ireland and has been by his side for over a decade since he first started his UFC career.